Born in Ostrander, Minnesota on Nov 5, 1861, Olavea Olson married Andrew J. Gilsdorf before 1886. Andrew J. Gilsdorf, a Billings merchant and butcher, died in September, 1911, after an auto accident - See Death of Old-Timer, Billings Times, September 28, 1911, p.1. A Mrs. Olavea Gilsdorf is listed as a widow in the 1916 Polk Directory. Olavea died in January 1946 - See Mrs. Olavea Gilsdorf, Helena Independent, January 8, 1946. Sister-in-law Rosanna Bridget Gilsdorf, wife of Henry A. Gilsdorf, died in December 1937 - See Pioneer Dies, Billings Gazette, December 31, 1937, p. 1. Rosanna's husband, Henry, ran the Palace Meat Market. See story about Andrew and Olavea Gilsdorf 1890 house at 116 South Broadway in Pieces and Places of Billings History by Jensen.

See Death of Old-Timer, Billings Times, September 28, 1911, p.1. 1916 Polk Directory. See Mrs. Olavea Gilsdorf, Helena Independent, January 8, 1946. See Pioneer Dies, Billings Gazette, December 31, 1937, p. 1. See story about Andrew and Olavea Gilsdorf 1890 house at 116 South Broadway in Pieces and Places of Billings History by Jensen.